Home / 14,145,301.28-21,218,100.12-11,323,352

Finding the Fourth Proportional to 14,145,301.28, 21,218,100.12 and 11,323,352

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Solution

The fourth proportional to 14,145,301.28, 21,218,100.12 and 11,323,352 is: 16,985,146.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,145,301.28 : 21,218,100.12 = 11,323,352 : x
  2. Step 2: Convert to fraction form
    14,145,301.28/21,218,100.12 = 11,323,352/x
  3. Step 3: Cross multiply
    14,145,301.28x = 21,218,100.12 × 11,323,352
  4. Step 4: Simplify right side
    14,145,301.28x = 240,260,016,430,002.25
  5. Step 5: Solve for x
    x = 240,260,016,430,002.25/14,145,301.28
  6. Step 6: Final answer
    x = 16,985,146.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.